A sagging chain is a result of normal usage of the garage door opener.
Tighten up garage door chain.
After close examination we found the chain was off track.
Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right.
This will cause premature wear on the chain rollers.
Open the garage door and find the trolley on the opener rail.
Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.
You loosen the locking inner nut and turn the outer nut clockwise to adjust the excess slack from the chain.
Measure the length of the garage door opener rails from the garage door to the motor.
Climb up on a stepladder and take a look at the trolley assembly.
Disconnect the power supply and disengage the opener.
The trolley is a piece of metal that moves along the.
Garage door didn t open in the morning.
Divide that measurement in half.
How to troubleshoot a loose chain on your garage door step one.
Before you start working you need to take some safety.
The chain is a very important component that makes up a garage door opener system.
The reason the chain went off track was because the chain.
Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head.
Do not over tighten the chain.
How to make a chain tighter on a garage door 1.
Locate the adjustment bolt.